12 Days of Christmas
408
99 Bottles of Beer
499
Abundant Numbers
653
Christmas Trees
552
CSS Colors
78
Divisors
669
Emirp Numbers
296
Evil Numbers
491
Fibonacci
576
Fizz Buzz
778
Foo Fizz Buzz Bar
696
Leap Years
527
Look and Say
314
Niven Numbers
488
Prime Numbers
485
Prime Numbers (Long)
491
Quine
504
Rock-paper-scissors-Spock-lizard
432
Spelling Numbers
235
Tongue-twisters
393
United States
128
π
447